SCHEDULE 13G 0001550758 XXXXXXXX LIVE Common Stock 10/13/2025 0001368265 Clean Energy Fuels Corp. 184499101 4675 MacArthur Court Suite 800 Newport Beach CA 92600 Rule 13d-1(c) Stonepeak CLNE-W Holdings LP b DE 0 20050618 0 20050618 20050618 N 8.4 PN (1) Shares of Clean Energy Fuels Corp.'s (the "Issuer") common stock, par value $0.0001 (the "Common Stock"), reported herein represent the right of Stonepeak CLNE-W Holdings LP, a Delaware limited partnership ("Stonepeak CLNE-W"), to receive 20,050,618 shares of Common Stock pursuant to that certain warrant agreement, dated as of December 12, 2023, by and among the Issuer and Stonepeak CLNE-W (the "Warrant Agreement"), upon Stonepeak CLNE-W's exercise of certain of the Issuer's warrants issued to Stonepeak CLNE-W pursuant to such Warrant Agreement (the "Warrants"). The Warrants become exercisable by Stonepeak CLNE-W on December 12, 2025 and the amount of Common Stock underlying such Warrants is subject to certain periodic adjustments as more particularly described in the Warrant Agreement. (2) The percentage set forth in Row 11 of this Cover Page is based on (i) the 219,289,216 shares of Common Stock outstanding as of July 31, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, and (ii) the 20,050,618 shares of Common Stock underlying the Warrants as reported herein. Stonepeak Opportunities Fund Associates LP b DE 0 20050618 0 20050618 20050618 N 8.4 PN (1) The shares of Common Stock reported herein represent the right of Stonepeak CLNE-W to receive 20,050,618 shares of Common Stock pursuant to the Warrant Agreement upon Stonepeak CLNE-W's exercise of the Warrants issued to Stonepeak CLNE-W thereby. The Warrants become exercisable by Stonepeak CLNE-W on December 12, 2025 and the amount of Common Stock underlying such Warrants is subject to certain periodic adjustments as more particularly described in the Warrant Agreement. (2) The percentage set forth in Row 11 of this Cover Page is based on (i) the 219,289,216 shares of Common Stock outstanding as of July 31, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, and (ii) the 20,050,618 shares of Common Stock underlying the Warrants as reported herein. Stonepeak Opportunities Fund GP Investors LP b DE 0 20050618 0 20050618 20050618 N 8.4 PN (1) The shares of Common Stock reported herein represent the right of Stonepeak CLNE-W to receive 20,050,618 shares of Common Stock pursuant to the Warrant Agreement upon Stonepeak CLNE-W's exercise of the Warrants issued to Stonepeak CLNE-W thereby. The Warrants become exercisable by Stonepeak CLNE-W on December 12, 2025 and the amount of Common Stock underlying such Warrants is subject to certain periodic adjustments as more particularly described in the Warrant Agreement. (2) The percentage set forth in Row 11 of this Cover Page is based on (i) the 219,289,216 shares of Common Stock outstanding as of July 31, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, and (ii) the 20,050,618 shares of Common Stock underlying the Warrants as reported herein. Stonepeak GP Investors Holdings LP b DE 0 20050618 0 20050618 20050618 N 8.4 PN (1) The shares of Common Stock reported herein represent the right of Stonepeak CLNE-W to receive 20,050,618 shares of Common Stock pursuant to the Warrant Agreement upon Stonepeak CLNE-W's exercise of the Warrants issued to Stonepeak CLNE-W thereby. The Warrants become exercisable by Stonepeak CLNE-W on December 12, 2025 and the amount of Common Stock underlying such Warrants is subject to certain periodic adjustments as more particularly described in the Warrant Agreement. (2) The percentage set forth in Row 11 of this Cover Page is based on (i) the 219,289,216 shares of Common Stock outstanding as of July 31, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, and (ii) the 20,050,618 shares of Common Stock underlying the Warrants as reported herein. Stonepeak GP Investors Upper Holdings LP b DE 0 20050618 0 20050618 20050618 N 8.4 PN (1) The shares of Common Stock reported herein represent the right of Stonepeak CLNE-W to receive 20,050,618 shares of Common Stock pursuant to the Warrant Agreement upon Stonepeak CLNE-W's exercise of the Warrants issued to Stonepeak CLNE-W thereby. The Warrants become exercisable by Stonepeak CLNE-W on December 12, 2025 and the amount of Common Stock underlying such Warrants is subject to certain periodic adjustments as more particularly described in the Warrant Agreement. (2) The percentage set forth in Row 11 of this Cover Page is based on (i) the 219,289,216 shares of Common Stock outstanding as of July 31, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, and (ii) the 20,050,618 shares of Common Stock underlying the Warrants as reported herein. Stonepeak GP Investors Holdings Manager LLC b DE 0 20050618 0 20050618 20050618 N 8.4 OO (1) The shares of Common Stock reported herein represent the right of Stonepeak CLNE-W to receive 20,050,618 shares of Common Stock pursuant to the Warrant Agreement upon Stonepeak CLNE-W's exercise of the Warrants issued to Stonepeak CLNE-W thereby. The Warrants become exercisable by Stonepeak CLNE-W on December 12, 2025 and the amount of Common Stock underlying such Warrants is subject to certain periodic adjustments as more particularly described in the Warrant Agreement. (2) The percentage set forth in Row 11 of this Cover Page is based on (i) the 219,289,216 shares of Common Stock outstanding as of July 31, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, and (ii) the 20,050,618 shares of Common Stock underlying the Warrants as reported herein. Dorrell Michael B. b X1 0 20050618 0 20050618 20050618 N 8.4 IN (1) The shares of Common Stock reported herein represent the right of Stonepeak CLNE-W to receive 20,050,618 shares of Common Stock pursuant to the Warrant Agreement upon Stonepeak CLNE-W's exercise of the Warrants issued to Stonepeak CLNE-W thereby. The Warrants become exercisable by Stonepeak CLNE-W on December 12, 2025 and the amount of Common Stock underlying such Warrants is subject to certain periodic adjustments as more particularly described in the Warrant Agreement. (2) The percentage set forth in Row 11 of this Cover Page is based on (i) the 219,289,216 shares of Common Stock outstanding as of July 31, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, and (ii) the 20,050,618 shares of Common Stock underlying the Warrants as reported herein. Clean Energy Fuels Corp. 4675 MacArthur Court, Suite 800, Newport Beach, California, 92600 This Schedule 13G is being jointly filed, pursuant to a Joint Filing Agreement attached hereto as Exhibit 99.1, by the following entities and persons, all of whom are together referred to herein as the "Reporting Persons": i. Stonepeak CLNE-W; ii. Stonepeak Opportunities Fund Associates LP, a Delaware limited partnership ("Stonepeak Opportunities Fund Associates"); iii. Stonepeak Opportunities Fund GP Investors LP, a Delaware limited partnership ("Stonepeak Opportunities Fund GP Investors"); iv. Stonepeak GP Investors Holdings LP, a Delaware limited partnership ("Stonepeak GP Investors Holdings"); v. Stonepeak GP Investors Upper Holdings LP, a Delaware limited partnership ("Stonepeak GP Investors Upper Holdings"); vi. Stonepeak GP Investors Holdings Manager LLC, a Delaware limited liability company ("Stonepeak GP Investors Holdings Manager"); and vii. Michael B. Dorrell, a U.S. Citizen. Stonepeak CLNE-W is the record holder of the Warrants that are exercisable (as of December 12, 2025) for the shares of Common Stock reported herein. Mr. Dorrell is the sole member of Stonepeak GP Investors Holdings Manager, which is the general partner of Stonepeak GP Investors Upper Holdings, which is the general partner of Stonepeak GP Investors Holdings, which is the general partner of Stonepeak Opportunities Fund GP Investors, which is the general partner of Stonepeak Opportunities Fund Associates, which is the general partner of Stonepeak CLNE-W. As such, each of these entities and individuals may be deemed to have or share beneficial ownership of the securities held of record by Stonepeak CLNE-W. Information with respect to each Reporting Person is given solely by such Reporting Person, and no Reporting Person assumes responsibility for the accuracy or completeness of the information furnished by another Reporting Person. Pursuant to Rule 13d-4 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Persons expressly declare that the filing of this schedule shall not be construed as an admission that any such person is, for the purposes of Section 13(d) and/or Section 13(g) of the Exchange Act or otherwise, the beneficial owner of any securities covered by this schedule held by any other person, and such beneficial ownership is expressly disclaimed. The address of the principal business office for each Reporting Person is 55 Hudson Yards, 550 W. 34th St., 48th Floor, New York, NY 10001. i. Stonepeak CLNE-W - Delaware ii. Stonepeak Opportunities Fund Associates - Delaware iii. Stonepeak Opportunities Fund GP Investors - Delaware iv. Stonepeak GP Investors Holdings - Delaware v. Stonepeak GP Investors Upper Holdings - Delaware vi. Stonepeak GP Investors Holdings Manager - Delaware vii. Michael B. Dorrell - United States Y The information required by Item 4(a) is set forth in Row (9) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The information required by Item 4(b) is set forth in Row (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The information required by Item 4(c)(i) is set forth in Row (5) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The information required by Item 4(c)(ii) is set forth in Row (6) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The information required by Item 4(c)(iii) is set forth in Row (7) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The information required by Item 4(c)(iv) is set forth in Row (8) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Exhibit 99.1 Joint Filing Agreement, dated as of October 15, 2025, by and among the Reporting Persons (filed herewith) Stonepeak CLNE-W Holdings LP /s/ Michael B. Dorrell 10/15/2025 Stonepeak Opportunities Fund Associates LP /s/ Michael B. Dorrell 10/15/2025 Stonepeak Opportunities Fund GP Investors LP /s/ Michael B. Dorrell 10/15/2025 Stonepeak GP Investors Holdings LP /s/ Michael B. Dorrell 10/15/2025 Stonepeak GP Investors Upper Holdings LP /s/ Michael B. Dorrell 10/15/2025 Stonepeak GP Investors Holdings Manager LLC /s/ Michael B. Dorrell 10/15/2025 Dorrell Michael B. /s/ Michael B. Dorrell 10/15/2025 (1) Michael B. Dorrell is the Chairman, Chief Executive Officer and Co-Founder of Stonepeak GP Investors Holdings Manager LLC, the general partner of Stonepeak GP Investors Upper Holdings LP, the general partner of Stonepeak GP Investors Holdings LP, the general partner of Stonepeak Opportunities Fund GP Investors LP, the general partner of Stonepeak Opportunities Fund Associates LP, the general partner of Stonepeak CLNE-W Holdings LP.